Stadium: Court 1 Round: 44
| ITF Poland F10 Qual | 2017/08/21 08:00 | Gawron, Marcin v Mularczyk, Konrad | 6-4,6-0 |
| ITF Poland F10 Qual | 2017/08/19 08:00 | Mularczyk, Konrad v 키리첸코, 올렉산더 | 3-6,7-5,7-6 |
| ITF Poland F9 Qual | 2017/08/13 10:30 | Mularczyk, Konrad v Gschwendtner, Jeremy | 2-6,2-6 |
| ITF Poland F9 Qual | 2017/08/12 08:00 | Mularczyk, Konrad v Filipovic, Igor | 6-1,7-6 |
| ITF Poland F6 Qual | 2017/07/15 08:00 | 보이추크, 로만 v Mularczyk, Konrad | 6-4,6-2 |
| ITF Poland F5 Qual | 2017/07/10 08:00 | 롬브, 하리슨 v Mularczyk, Konrad | 6-2,6-4 |
| ITF Poland F4 Qual | 2017/07/02 13:00 | Mularczyk, Konrad v 캔슬, 티바울트 | 2-6,6-7 |
| ITF Poland F1 | 2017/06/10 08:00 | Mularczyk, Konrad v Eriksson Ziverts, Jonas | 1-6,0-6 |
| ITF Poland F8 | 2017/08/01 13:55 | 안들제이크주크, 아드리안 v Kowalczyk, Mateusz | 6-2,6-3 |
| ITF Poland F8 Qual | 2017/08/01 07:30 | 마레로 쿠르벨로, 이반 v Kowalczyk, Mateusz | 6-7,1-6 |
| ITF Poland F8 Qual | 2017/07/29 08:00 | Innocenti, Davide v Kowalczyk, Mateusz | 4-6,4-6 |
| ITF Italy F7 | 2017/04/03 11:45 | Kowalczyk, Mateusz v 마겔, 기안루카 | 4-6,3-6 |
| ITF Italy F7 Qual | 2017/04/02 07:30 | 바란코 코사노, 자비엘 v Kowalczyk, Mateusz | 3-6,4-6 |
| ITF Italy F7 Qual | 2017/04/01 07:30 | Kowalczyk, Mateusz v Marasin, Alexandru Catalin | 6-0,7-5 |
| Brescia, Italy, Qualifying | 2016/11/12 10:55 | Kowalczyk, Mateusz v 그리젤리스, 라우리나스 | 6-7,2-6 |
| Challenger Szczecin | 2015/09/16 11:00 | Kowalczyk, Mateusz v 시치나토, 마르코 | 3-6,4-6 |